CVE-2026-120627

UNKNOWN 0.0

CVE-2026-120627

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

The Private Internet Access Extension for Firefox contains an unguarded onAuthRequired authentication handler, leading to leakage of PIA proxy credentials when a user visits any malicious website that issues a Basic auth challenge. This issue was fixed in version 3.2.5, but reintroduced in later versions.

Vendor	private internet access
Product	firefox extension
Published	Nov 2, 2026
Last Updated	Nov 2, 2026

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Affected Versions

Private Internet Access / Firefox extension

3.2.5 ≤ 4.0.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

addons.mozilla.org: https://addons.mozilla.org/en-US/firefox/addon/private-internet-access-ext/ github.com: https://github.com/Rexyysilent/PI-ay-ay-disclosure